From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/Sema/nonnull.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 clang/test/Sema/nonnull.c (limited to 'clang/test/Sema/nonnull.c') diff --git a/clang/test/Sema/nonnull.c b/clang/test/Sema/nonnull.c new file mode 100644 index 0000000..cea8e3d --- /dev/null +++ b/clang/test/Sema/nonnull.c @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 -fsyntax-only %s +// rdar://9584012 + +typedef struct { + char *str; +} Class; + +typedef union { + Class *object; +} Instance __attribute__((transparent_union)); + +__attribute__((nonnull(1))) void Class_init(Instance this, char *str) { + this.object->str = str; +} + +int main(void) { + Class *obj; + Class_init(0, "Hello World"); // expected-warning {{null passed to a callee which requires a non-null argument}} + Class_init(obj, "Hello World"); +} + -- cgit v1.2.3